Table 4.

Contribution rate of each factor.

Period	RS	EI	CE	PC	PP	P
2004–2005	3.69%	−17.09%	18.45%	86.29%	−5.66%	14.32%
2005–2006	20.83%	−38.30%	41.13%	68.15%	−4.79%	12.98%
2006–2007	2.53%	−61.28%	61.60%	86.64%	−5.55%	16.07%
2007–2008	73.14%	−25.26%	28.57%	18.31%	−2.65%	7.89%
2008–2009	−48.57%	−142.82%	174.76%	73.83%	−21.90%	64.71%
2009–2010	52.14%	−18.19%	26.04%	34.84%	−2.83%	8.00%
2010–2011	−104.97%	−32.01%	27.20%	188.54%	−10.38%	31.62%
2011–2012	76.65%	−17.94%	25.85%	10.89%	−2.00%	6.54%
2012–2013	71.96%	−32.33%	43.05%	10.88%	−2.91%	9.35%
2013–2014	74.25%	−34.09%	46.72%	6.43%	−3.10%	9.78%
2014–2015	75.49%	−56.08%	72.87%	−1.38%	−4.33%	13.44%
2015–2016	72.41%	−45.42%	62.66%	2.11%	−3.50%	11.75%
2016–2017	59.07%	−39.74%	57.71%	14.27%	−3.59%	12.27%
2017–2018	52.12%	−14.69%	30.18%	26.28%	−3.22%	9.33%